Package Including 1Pcs Cart Battery Pen Yellow 650mAh 510 Thread Micro USB Soldering Iron Battery Pen Welding Tool - Oth If you're looking for a reliable battery that works with all your 510-thread cartridges, this little pen is a game-changer. With its 350mAh capacity, it's got... Versatile Compatibility: Compatible with wide range of 510 threaded cartridges and welding tools, this battery pen serves multiple purposes including weed pen operation, making it versatile addition for hobbyists and professionals alike. Note:Manual measurement, please allow slight errors on size. With a solid 350mAh rechargeable battery and universal 510 threading, this little powerhouse handles everything from welding tasks to various cartridge... Reliable Construction: Made from high-quality materials, the battery pen ensures durability and resistance to wear and tear, standing up to regular use in diverse environments. 350mAh Rechargeable Cartridge Battery Welding Battery Pen 350mAh Cart Battery Pen - 3 Voltage Settings, 510 Thread Compatible Welding Cart Dab Pen Powerful and Reliable: The Cart Battery Pen features 350mAh rechargeable battery that provides consistent, long-lasting power, ensuring your welding and repair tasks are completed smoothly without frequent recharging interruptions.